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谁能给我看一些关于iOS倒数计时器动画的参考,我实现了计时器,我想制作一个像图像中的动画,这可能吗?
您需要继承 UIView 并覆盖 drawInRect: 方法获取当前绘图上下文并绘制您想要的路径并填充路径。参考Quatz Core 图纸